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Safety and Efficacy of a New Treatment in Combination With Laser for Diabetic Macular Edema

11. april 2019 opdateret af: Allergan
This study will evaluate the safety and efficacy of the intravitreal implant of dexamethasone with laser treatment vs. laser treatment alone in patients with diabetic macular edema.

Studieoversigt

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

253

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • British Columbia
      • Victoria, British Columbia, Canada
    • California
      • Artesia, California, Forenede Stater

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • 18 years of age or older with diabetic macular edema
  • Decrease in visual acuity in at least one eye as a result of macular edema (20/50 or worse)
  • Visual acuity in other eye no worse than 20/200

Exclusion Criteria:

  • Known anticipated need for ocular surgery within next 12 months
  • History of glaucoma or current high eye pressure requiring more than 1 medication
  • Uncontrolled systemic disease
  • Known steroid-responder
  • Use of systemic steroids - Use of Warfarin/Heparin

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Tredobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 700 µg Dexamethasone Implant and Laser Photocoagulation
Initial intravitreal injection of 700 µg dexamethasone with up to 1 additional treatment based on re-treatment criteria. Initial laser photocoagulation with up to 3 additional treatments based on re-treatment criteria.
Initial intravitreal injection of 700 µg dexamethasone with up to 1 additional treatment based on re-treatment criteria.
Andre navne:
  • Posurdex®
Initial laser photocoagulation with up to 3 additional treatments based on re-treatment criteria.
Sham-komparator: Sham Implant and Laser Photocoagulation
Initial sham injection with up to 1 additional treatment based on re-treatment criteria. Initial laser photocoagulation with up to 3 additional treatments based on re-treatment criteria.
Initial laser photocoagulation with up to 3 additional treatments based on re-treatment criteria.
Initial sham injection with up to 1 additional treatment based on re-treatment criteria.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Percentage of Patients With at Least 10 Letters of Improvement in Best Corrected Visual Acuity (BCVA) From Baseline in the Study Eye
Tidsramme: Baseline, Month 12
BCVA is measured in the study eye using an eye chart and is reported as the number of letters read correctly (ranging from 0 to 100 letters). The lower the number of letters read correctly on the eye chart, the worse the vision (or visual acuity). An increase in the number of letters read correctly indicates improvement and a decrease in the number of letters read correctly indicates a worsening.
Baseline, Month 12

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in BCVA in the Study Eye
Tidsramme: Baseline, Month 12
BCVA is measured in the study eye using an eye chart and is reported as the number of letters read correctly (ranging from 0 to 100 letters). The lower the number of letters read correctly on the eye chart, the worse the vision (or visual acuity). An increase in the number of letters read correctly indicates improvement and a decrease in the number of letters read correctly indicates a worsening.
Baseline, Month 12
Change From Baseline in Central Subfield Retinal Thickness in the Study Eye
Tidsramme: Baseline, Month 12
Central subfield retinal thickness is assessed in the study eye by Optical Coherence Tomography (OCT). The central subfield is an area in the retina (back of the eye). OCT is a laser-based, noninvasive, diagnostic system that provides high-resolution, three-dimensional images of the retina from which retinal thickness can be measured. A negative number change from baseline indicates an improvement and a positive number change from baseline indicates a worsening.
Baseline, Month 12
Change From Baseline in the Focal Leakage Area in the Study Eye
Tidsramme: Baseline, Month 12
Focal leakage area in the study eye is assessed using fluorescein angiography. A positive number change from baseline indicates a worsening and a negative number change from baseline indicates an improvement.
Baseline, Month 12
Time to Retreatment in the Study Eye
Tidsramme: 12 Months
Time to retreatment in the study eye is defined as the number of days between the initial treatment and re-treatment with the study medication.
12 Months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. maj 2007

Primær færdiggørelse (Faktiske)

8. februar 2010

Studieafslutning (Faktiske)

8. februar 2010

Datoer for studieregistrering

Først indsendt

20. april 2007

Først indsendt, der opfyldte QC-kriterier

20. april 2007

Først opslået (Skøn)

24. april 2007

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

24. april 2019

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

11. april 2019

Sidst verificeret

1. april 2019

Mere information

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Diabetisk makulært ødem

Kliniske forsøg med Dexamethasone

Abonner